If we had taken such effective measures much earlier, the river ________ so seriously now.
#86813
A
is not polluted
B
would not be polluted
C
had not been polluted
D
would not have been polluted
推荐题目
. -- You see, our plan has been totally ruined! -- Dear me, I _______ his advice.
#88081
A
would rather have taken
B
would rather not take
C
must have taken
D
can’t have taken
We were all surprised when he made it clear that he ___ office soon.
#89034
A
leaves
B
would leave
C
left
D
had left